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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

8 Item(s)

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  1. DPFT21X27X5AM11 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFRAME21A - 21 x 27 x 5 - MERV 11 (2-Pack)

    Fits Trane air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
    $85.12 Retail Price:  $100.19
  2. DPFT21X27X5AM11DAD Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTFR21M - 21 x 27 x 5 - MERV 11 (2-Pack)

    Fits American Standard air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
  3. DPFT21X27X5AM13 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFRAME21A - 21 x 27 x 5 - MERV 13 (2-Pack)

    Fits Trane air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
    $89.60 Retail Price:  $105.34
  4. DPFT21X27X5AM13DAD Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTFR21M - 21 x 27 x 5 - MERV 13 (2-Pack)

    Fits American Standard air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
  5. DPFT21X27X5AM8 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFRAME21A - 21 x 27 x 5 - MERV 8 (2-Pack)

    Fits Trane air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
    $78.40 Retail Price:  $92.46
  6. DPFT21X27X5AM8DAD Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTFR21M - 21 x 27 x 5 - MERV 8 (2-Pack)

    Fits American Standard air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
  7. DPFT21X27X5OB Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for Trane BAYFRAME21A - 21 x 27 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits Trane air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More
  8. DPFT21X27X5OBDAD Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

    Tier1 brand replacement for American Standard BAYFTFR21M - 21 x 27 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits American Standard air cleaner models AFM210A0AH0, TFM210B0FR0, TFM210A0FR00, TFM210A0FR10,TFM210B0FR01, TFM210B0FR0A and TFM21DA0FR00 Learn More

8 Item(s)

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